Carrier Furnace 58CLA User Manual

58CLA  
OIL FURNACE  
USER’S INFORMATION MANUAL FOR THE OPERATION AND  
MAINTENANCE OF YOUR NEW OIL-FIRED FURNACE  
!
WARNING: If the information in this manual  
is not followed exactly, a fire or explosion may  
result causing property damage, personal injury or  
loss of life.  
— Do not store or use gasoline or other flammable  
vapors and liquids in the vicinity of this or any  
other appliance.  
— WHAT TO DO IF YOU SMELL OIL:  
— Do not try to light any appliance.  
— Do not touch any electrical switch; do not use  
any phone in your building.  
• Immediately call your fuel supplier from a  
neighbor’s phone. Follow the fuel supplier’s  
instructions.  
• If you cannot reach your fuel supplier, call the  
fire department.  
— Installation and service must be performed by a  
qualified installer, service agency or the fuel  
supplier.  
Do not use this furnace if any part has been under  
water. Immediately call a qualified service techni-  
cian to inspect the furnace and to replace any part  
of the control system and any oil control which  
has been under water.  
NOTE TO INSTALLER: THIS MANUAL MUST BE LEFT WITH THE EQUIPMENT USER.  
 
FURNACE COMPONENTS  
8
6
7
5
9
10  
11  
4
3
12  
X
C
5
HU  
M
4
3
2
7
1
N
6
3
ED  
C
H
E
A
UNUS  
C
O
N
T
O
O
L
T
S
S
2
E
A
LEAD  
C
O
N
1
2
Y
C
R
W
G
2
13  
1
14  
2
1
9
Heavy-duty blower circulates air across the heat  
exchanger to transfer heat into the home.  
Fully insulated internal walls minimize heat loss.  
High limit control prevents overtemperature.  
10  
11  
2
3
4
Access door to air filters and blower.  
Air filters.  
Manual switch allows user control of constant  
low-speed blower operation.  
Unique silencer system eliminates combustion  
noise.  
12  
Adjustable electronic fan timer control (inside)  
with low voltage electrical terminal strip for easy  
connection of thermostat, cooling control, elec-  
tronic air cleaner, and humidifier.  
5
6
7
Return-air plenum.  
Stainless steel combustion chamber.  
13  
14  
Aesthetic removable cabinet hides and protects  
burner and controls.  
Heat exchanger designed and shaped to efficient-  
ly  
High-performance oil burner.  
transfer heat from furnace into the home.  
8
Supply-air plenum.  
3
 
IMPORTANT FACTS  
SAFETY CONSIDERATIONS  
Your furnace must have adequate airflow for efficient  
combustion and safe ventilation. Do not enclose it in  
an airtight room or “seal” it behind solid doors.  
Installing and servicing of heating equipment can be  
hazardous due to oil and electrical components. Only  
trained and qualified personnel should install, repair,  
or service heating equipment.  
Untrained personnel can perform basic maintenance  
functions such as cleaning and replacing air filters. All  
other operations must be performed by trained service  
personnel. Observe safety precautions in this manual,  
on tags, and on labels attached to the furnace and other  
safety precautions that may apply.  
To minimize the possibility of serious personal injury,  
fire, furnace damage, or improper operation, carefully  
follow these safety rules:  
FORYOUR SAFETY  
Do not store or use gasoline or other flam-  
mable vapors and liquids in the vicinity of  
this or any other appliance.  
Recognize safety information. This is the safety-alert  
!
symbol . When you see this symbol on the furnace  
and in instructions or manuals, be alert to the potential  
for personal injury.  
Understand the signal words — DANGER, WARN-  
ING, and CAUTION. These words are used with the  
safety-alert symbol. DANGER identifies the most seri-  
ous hazards which will result in severe personal injury  
or death. WARNING signifies hazards which could  
result in personal injury or death. CAUTION is used to  
identify unsafe practices which may result in minor per-  
sonal injury or product and property damage. NOTE is  
used to highlight suggestions which will result in  
enhanced installation, reliability or operation.  
!
WARNING  
3
FIRE, EXPLOSION, CARBON MONOXIDE POI-  
SONING HAZARD  
Failure to follow this warning could lead to  
sooting, fire, explosion, and/or severe bodily  
harm.  
For use with grade 2 Fuel Oil maximum. Do  
not use gasoline, crankcase oil, or any oil con-  
taining gasoline!  
• Do not cover the furnace, store trash or debris near  
it, or in any way block the flow of fresh air to the unit.  
• Combustion air must be clean and not contaminated  
with chlorine or fluorine. These compounds are present  
in many products around the home, such as: water soft-  
ener salts, laundry bleaches, detergents, adhesives,  
paints, varnishes, paint strippers, waxes, and plastics.  
Make sure the combustion air for your furnace does  
not contain any of these compounds. During remodel-  
ing be sure the combustion air is fresh and uncontam-  
inated. If air with vapors of these compounds is burned  
in your furnace, the heat exchangers and metal vent  
system may deteriorate.  
!
CAUTION  
FIRE AND UNIT OVERHEAT HAZARD  
Failure to follow this caution may result in mi-  
nor personal or property damage.  
Never burn garbage or paper in the heating  
system and never leave rags, paper, or any  
flammable items around the unit.  
NOTE: Do not use this furnace if any part has been  
under water. Immediately call a qualified service tech-  
nician to inspect the furnace and to replace any part of  
the control system, electrical components, and any oil  
control which has been under water.  
STARTING YOUR FURNACE  
This appliance is equipped with an ignition device which  
automatically lights the burner each time the thermostat  
starts your furnace. Follow these important safeguards:  
NOTE:The qualified installer or agency must use only  
factory-authorized replacement parts, kits, and acces-  
sories when servicing this product.  
!
CAUTION  
The furnace burner control has a safety device which  
must be manually reset. If the furnace is left unattended  
for an extended period of time, have it checked period-  
ically for proper operation. This precaution will prevent  
problems associated with no heat, such as frozen water  
pipes, etc.  
FIRE AND EXPLOSION HAZARD  
Failure to follow this caution may result in mi-  
nor personal or property damage.  
This furnace is equipped with a constant type  
primary ignition system. DO NOT ATTEMPT  
TO LIGHT WITH A MATCH.  
4
 
4
!
DANGER  
6
7
ELECTRICAL SHOCK HAZARD HIGH VOLT-  
AGE AT IGNITER.  
7. Check all connections to ensure there are no leaks.  
Severe electrical shock, personal injury, or  
death will result.  
8. Set room thermostat to a temperature slightly above  
room temperature. This will automatically signal  
the furnace to start.  
• If a suspected malfunction occurs with your oil control  
system, such as the burner not lighting when it should,  
refer to the “Shutting Down Your Furnace” section and  
call your dealer as soon as possible.  
9. When the thermostat calls for heat, power from the  
transformer energizes the fan control board. The fan  
control energizes the ignition control. The ignition  
control will automatically light the burner.  
CHECK AIR FILTERS: Before attempting to start  
your furnace, be sure the furnace air filters are clean  
and in place. See “Performing Routine Maintenance”  
section in this manual. Then proceed as follows:  
The electronic fan control automatically turns on  
the blower after 60 sec. Fan on control is not adjust-  
able. The air moved over the heat exchanger by the  
blower is warmed and passes through the ducts to  
the room registers.  
STEPS FOR STARTING YOUR  
FURNACE  
1. Open all warm air registers and make sure that all  
return-air grills are unobstructed.  
This unit is equipped with a continuous ignition  
control. If the main burner does not ignite within  
30 sec from the call for heat, the control will lock  
out. The red button on top of the control must be  
depressed for 3 sec in order to reset the control.  
The control CANNOT be reset from the room  
thermostat.  
2. If a humidifier is installed with your system, open  
the water supply valve.  
3. Make sure blower access door is secured in place.  
4. Set your room thermostat to the lowest temperature  
setting. (See Fig. 5.)  
10. Set your thermostat to the temperature that satisfies  
your comfort requirements. SUGGESTION: Set-  
ting the thermostat back a few degrees and compen-  
sating for the difference with warmer clothing can  
make a big difference in your fuel consumption on  
extremely cold days. The few degrees at the top of  
your thermostat “comfort level” are the most costly  
degrees to obtain.  
When room temperature drops below the tempera-  
ture selected on the thermostat, the furnace will be  
switched on automatically. When room temperature  
reaches the degree selected on the thermostat, the  
furnace will be switched off automatically.  
®
5
Some thermostats have a FAN mode with 2 selec-  
tions, AUTO and ON. When thermostat is set to  
AUTO, the furnace blower cycles on and off, con-  
trolled by the thermostat. In ON mode, the furnace  
blower runs continuously. This keeps the tempera-  
5. Turn on electric power to the furnace. (See Fig. 6.)  
6. Open the oil supply valve. (See Fig. 7.)  
5
 
ture level in your home more evenly balanced. It  
also continuously filters the indoor air.  
NOTE: Constant low-speed blower operation can also  
be achieved by turning on the constant blower rocker  
switch located on top of unit. Regardless of room ther-  
mostat setting, blower will run continuously in low  
speed to provide constant air circulation. If constant  
blower rocker switch is turned off, room thermostat  
will control blower operation.  
SHUTTING DOWN YOUR FURNACE  
11  
12  
Should you need to shut down your furnace for service  
or maintenance, you will need to turn the furnace off.  
The following procedures must be followed:  
PERFORMING ROUTINE  
MAINTENANCE  
With proper maintenance and care, your furnace will  
operate economically and dependably. Instructions for  
basic maintenance follow. However, before beginning  
maintenance, follow these safety precautions:  
1. Set the thermostat to the lowest setting.  
(See Fig. 8.)  
!
WARNING  
ELECTRICAL SHOCK HAZARD  
Failure to follow this warning could result in  
personal injury due to electrical shock.  
Turn off all electrical power to furnace before  
performing any maintenance or service on  
unit.  
®
!
CAUTION  
8
2. Turn off all electrical power to the appliance.  
(See Fig. 9.)  
CUTS AND ABRASION HAZARD  
Failure to follow this caution may result in mi-  
nor personal injury.  
Although special care has been taken to mini-  
mize sharp edges, be extremely careful when  
handling parts or reaching into the furnace.  
3. Close the oil supply valve. (See Fig. 10.)  
FILTERING OUT TROUBLE  
Dirty air filters will cause a loss of airflow in your duct  
system. When excessive loss of airflow occurs, the fur-  
nace may cycle on its safety controls. If this condition  
is left unattended, the furnace will eventually lock out.  
It is recommended that the furnace air filters be checked  
every 3 or 4 weeks and cleaned or replaced as necessary.  
9
10  
!
CAUTION  
4. If applicable, turn off water supply to humidifier.  
UNIT OVERHEAT HAZARD  
Failure to follow this caution may result in  
damage to the furnace blower motor, over  
heat the heat exchanger and reduce the effi-  
ciency.  
Never operate your furnace without the air fil-  
ters in place.  
5. If furnace blower will be necessary for cooling sys-  
tem, remember to turn electric power back on when  
needed for air conditioning.  
6. If the furnace is being shut down because of a mal-  
function, call your dealer as soon as possible.  
ALWAYS KEEP MAIN OIL VALVE TURNED OFF  
IF BURNER IS SHUT DOWN FORAN EXTENDED  
PERIOD OF TIME.  
The air filters are located in the blower compartment  
installed in an internal filter rack which is provided as  
standard equipment with furnace. (See Fig. 2.) To  
6
 
FURNACE AIR FILTERTABLE  
inspect, clean, and or replace air filters, follow these  
steps:  
FURNACE  
FILTER  
QUANTITY  
AND SIZE  
(IN.)  
1. Turn off electrical supply to furnace. (See Fig. 11.)  
CASING  
DEPTH  
(IN.)  
FILTER  
TYPE  
2. Remove blower access door in rear of furnace. (See  
Fig. 13.) Lift door up, then out using handle on  
blower access door.  
53-3/4  
(2) 12 X 20 X 1  
(2) 16 X 20 X 1  
Disposable  
Disposable  
60-5/32  
If you have replaced the factory-provided disposable  
filters with permanent washable filters, they may be  
cleaned if they are dirty. Wash filters in a sink, bathtub,  
or outside with a garden hose. Always use cold tap  
water. A mild liquid detergent may be used if neces-  
sary. Spray water through filter in the opposite direc-  
tion of airflow. Allow filter to dry.  
1
2
6. Reinstall clean air filters by reversing procedure in  
item 3 above.  
7. Replace blower access door. (See Fig. 16.)  
8. Turn on electrical supply to furnace.  
13  
3. Remove air filters from furnace.  
a. Remove filter resting in filter rack at an angle in  
front of blower first. Slide filter back to clear filter  
rack ends then lift up and out of filter rack and  
blower compartment. (See Fig. 14.)  
b. Remove second filter lying above blower. Slide  
filter toward rear of furnace and out of blower  
compartment. (See Fig. 15.)  
2
1
2
1
16  
A CHECK-UP CHECKLIST  
Your furnace represents an important investment in  
your family’s comfort and your home’s value. To keep  
it performing properly and as a preventative to future  
problems, have a trained service specialist give your  
furnace a professional check-up annually. The fol-  
lowing checklist can be used as a guideline to proper  
service:  
14  
15  
4. Inspect the filter. If torn, replace it.  
NOTE: If filter that was shipped with furnace has  
been replaced with an electronic air cleaner (EAC),  
refer to the EAC Owner’s Manual for maintenance  
information.  
• Check flue and secondary tube passage ways including  
chimney — clean if necessary.  
5. The filters shipped with the furnace are disposable.  
If they are dirty, they must be replaced. If your fur-  
nace air filters need to be replaced, be sure to use the  
same size and type of filter that was originally sup-  
plied. Use the furnace filter table and compare your  
furnace size with the proper filter size.  
• Change oil filter.  
• Change nozzle.  
• Check and adjust combustion and draft.  
• Inspect all vent piping inside structure for deterioration  
and vent terminations outside the structure for blockage.  
7
 
• Check oil pipes leading to and inside of your furnace  
for leaks.  
• Check for blocked return-air or supply-air grilles  
throughout your home. Ensure they are open and  
unobstructed.  
• Inspect and clean the blower motor and wheel.  
• Inspect and change or clean air filters if necessary.  
If problem still exists, call your dealer for service.  
IF FURNACE FAILS TO OPERATE:  
• Inspect all supply- and return-air ducts for obstruc-  
tions, air leaks, and insulation. Remedy any problem  
when necessary.  
Follow this checklist step by step, advancing to the next  
step only if furnace fails to start.  
• Inspect the return-air duct connections at the furnace to  
ensure it is physically sound, sealed to the furnace  
casing, and terminates outside the space containing the  
furnace.  
• Check thermostat for proper temperature. Is thermo-  
stat set above room temperature?  
• Is thermostat set on HEAT?  
• Check fuses and circuit breakers. Is electrical supply  
on?  
• Inspect electrical wiring, connections, and compo-  
nents for loose connections.  
• Is valve in oil supply pipe in open position?  
• Examine the physical support of the furnace. Support  
should be sound with no cracks, sagging, gaps, etc.  
around the base.  
• Is the ignition control on the burner not in lockout? The  
red button on top of the control must be depressed for 3  
sec in order to reset the control.  
• Check furnace for any obvious signs of deterioration.  
• Check for obstructions around the vent termination.  
If the furnace still fails to operate, call your service rep-  
resentative. For your convenience, record the furnace  
product and serial numbers on page 2. Should you ever  
require service, you will have ready access to the infor-  
mation needed by your service representative.  
BEFOREYOU REQUEST  
A SERVICE CALL  
If your furnace is not operating or not performing  
properly, you may save the expense of a service call  
by checking a few things yourself before calling for  
service.  
FOR INSUFFICIENT AIRFLOW:  
• Check for dirty air filters.  
TO OBTAIN INFORMATION ON PARTS: Consult your installing dealer or the classified section of your local telephone directory under the  
“Heating Equipment’’ or “Air Conditioning Contractors & Systems’’ heading for dealer listing by brand name.  
Have available the Model No., Series Letter, & Serial No. of your equipment to ensure correct replacement part.  
Carrier Corporation Indianapolis, IN 46231  
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.  
Copyright 2004 Carrier Corporation  
Form: OM58-112  
Replaces: OM58-86 Printed in the U.S.A. a  
6-04  
PC 101  
Catalog No. 535-80134  
 

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